/Engine/Plugins/Experimental/GameplayGraph/Source/GameplayGraph/Public/Graph/Graph.h
Creates an edge between the two nodes.
[FGraphEdgeHandle](API\Plugins\GameplayGraph\Graph\FGraphEdgeHandle) CreateEdge ( [FGraphVertexHandle](API\Plugins\GameplayGraph\Graph\FGraphVertexHandle) Node1, [FGraphVertexHandle](API\Plugins\GameplayGraph\Graph\FGraphVertexHandle) Node2, int64 InUniqueIndex, bool bAddToIslands )